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UNITED STATESk PATENT OFFICE,

JOHN JOHNSON, OF SACO, MAINE.v

DEVICE FOR PUMPING, 86C.

Specification forming part of Letters Patent No. 84,948, dated December 15, 1868.

To all whom it may concern:

Be it known that I, JOHN JOHNSON, of the city of Saco, in the county of York, in the State of Maine, have invented a new and Improved Application of Steam to Pumping, and for other useful purposes; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings.

The nature of my invention consists in so applying heat to water that a portion of the water shall be thereby converted to steam, and, when so being produced, the steam shall act on other portions of the water as a motor, and force it forward and above a valve as far as the unit of heat it takes to itself can do. The work being done, heat being expended, and condensation effected, a new supply of water, through a valve, by the vacuum is added for repetition and elevation or pumping.

Vater being quite a non-conductor, I avail myself of this one of its physical properties to produce steam or an enlarged volume from it in one direction, and of that one of its physical properties, viz., the partingwith its latent heat, by which it returns to water or reduced volume, for another direction. The two forces, automatically alternating in an apparatus, act as a motor and water-elevator, forcing water up by the direct application of steam, and by the vacuum getting water into the apparatus.

.Figure l is a vertical view 5 Fig. 2, a plan view:

A is a cylindrical vessel, of moderate capacity, having pipes B and D attached airtight. In these pipes, at C C, I put, as marked in the drawing, the ordinary clack-valves', or any other suitable valves, both opening upward. At a suitable place I solder or screw fast to the case the endless pipe e f, much as shown in the drawing. This pipe is my boiler, steam-generator, or waterback. H represents the location of the source of heat. The upper part of the endless pipe c f I shape or bend,

. so that, when steam is formed in it above f,

the water therein shall be forced into A. Gr represents the well or source of water-supply, or the water-supply from any other source may be connected to the foot of pipe B 5 I, the tank into which this machine forces the water. J -is the filling-place, with the pipe and cap or stop-cock, asit is necessary to lill the apparatus with water before applying heat.

O11 applying heat, the apparatus being lled and otherwise ready for work, the water in pipe at e, from its non-conducting property, remains quite cold 5 some of that above and in the higher part of f-the boiler-is soon converted to steam. This steam forces some of the water out of f into case A, and a like quantity in A, through the upper valve G, up pipe D, into reservoir I. Almost immediately on this action ceasing the steam from f, entering the case A, is condensed. v The upper valve C closing, the lower valve G opens, and water rushes up pipe B from well G, iill-` ing case A and endless pipe c f by atmospheric pressure. As soon as filled, the action is again repeated, and repeated as long as the re is continued, the apparatus being automatic, self-regulating, and continuous, the quantity pumped up depending upon the activity or sluggishness of combustion7 the work being done by both absorption and loss of heat.

To render this apparatus highly efficient and noiseless, the case A may be surrounded with a non-conductor of sound, and water to insure active condensation of all the steam entering case A.

Were I to place a boiler-pipe, as shown by dotted line K, and a fire, as at L, the appara tus would be eflicient as asteam-motor, and pump water rapidly when the fire is an active one, this activity converting some of the water quickly to steam, and which, when applied in a properly constructed case and Wheel, would yield force continuously. On the other hand, a slow or dull fire or combustion causes circulation, and in time the water in A would simply boil, and steam would be formed therein and blow off from the valve. For pumping, I therefore prefer the endless pipe or its equivalent.

It will be obvious that if I make the endless pipe terminate in a thin cylinder on its edge, and the heads or ends be of thin metal, so that they can alternately be expanded by the force of steam and collapsed by the condensation of it, (the water filling the pipe e f and cylinder in its collapsed condition,) and I place this working diaphragm cylinder within a strong non-yielding case having the usual llves and pipes of a lift and force pump, and heat, the whole of the heat of the steam passleu apply heat to ef, as in Fig. 1,1 can pump ing into the Water to be used in the boiler.

y this system other liquids than Water, if Vhat I claim, and desire to secure by Letacessary, provided the material pumped be ters Patent, is-

ich as will condense the steam within the The automatic or self-acting steam pump or eam-pipe and at cylinder. A thin ila-t cylmotor herein set forth and described.

der of this construction placed Within a tank kT T i a locomotive and properly connected with '10H3 JOHB SON' Lpes and valves to tlie steam of the boiler Vitnesses:

1d the Well at a staton,o11 supplying steam, Jos. L. MILLIKIN,

ould pump Water with but triing loss of MosEs LOWELL. 

